A387 Gr11 Gr12 Gr22 steel equivalent chemical composition and mechanical properties
A387 Gr5 Gr9 Gr11 Gr12 Gr22 steel is a chrome molybdenum carbon alloy steel pressure vessel plate mainly used in high temperature application. The ASTM A387 Gr 12 plate material have added chromium which is good for corrosion and oxidation resistance making it first choice for sour service applications in the oil and gas industry.
A387 Gr11 Gr12 Gr22 steel equivalent 16Mo3 plates chemical composition and mechanical properties
Specification |
Chemical Max |
Mechanical MPA, min |
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C |
Min |
Si |
S |
P |
Cr |
Mo |
Ni |
Cu |
Tensile |
Yield |
% EL |
Bend |
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Max |
Max |
Max |
Max |
Max |
Max |
Max |
Max |
Max |
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50 GL |
50 GL |
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ASTM A 387 |
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Gr11 - CI2 |
0.17 |
0.4 |
0.5 |
0.04 |
0.035 |
1 |
0.45 |
--- |
--- |
515 |
310 |
22 |
18 |
--- |
|
0.65 |
0.8 |
1.5 |
0.65 |
690 |
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Gr12 - Cl2 |
0.17 |
0.4 |
0.15 |
0.04 |
0.035 |
0.8 |
0.45 |
--- |
--- |
450 |
275 |
22 |
19 |
--- |
|
0.65 |
0.4 |
1.15 |
0.6 |
585 |
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Gr5 - Cl2 |
0.15 |
0.3 |
0.5 |
0.035 |
0.035 |
4 |
0.45 |
--- |
--- |
515 |
310 |
18 |
--- |
--- |
|
0.6 |
6 |
0.65 |
690 |
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Gr22 - Cl2 |
0.15 |
0.3 |
0.5 |
0.035 |
0.035 |
2 |
0.9 |
--- |
--- |
515 |
310 |
18 |
--- |
--- |
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0.6 |
2.5 |
1.1 |
690 |
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ASTM A 204 |
0.2 |
0.9 |
0.15 |
0.04 |
0.035 |
--- |
0.45 |
--- |
--- |
485 |
275 |
21 |
17 |
2T |
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Grade B |
0.4 |
0.6 |
620 |
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16Mo3 |
0.12 |
0.4 |
0.35 |
0.025 |
0.03 |
0.3 |
0.25 |
0.3 |
--- |
440 |
275 |
24 |
--- |
Impact :+20C / 3 |
|
0.2 |
0.9 |
0.35 |
590 |
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If you are looking to buy from A387 Grade 12 suppliers in China then contact BBN Steel Industries for latest Price. The A387 alloy steel Grade 12 plates we are supplying can be used in elevated temperature service.
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